Well in the defense of GM's, they looked at market value for old players that are HOFers like Garnett, and said "hey he's getting paid 34 in 3 years, maybe Nash should too".

The interesting about nash is that he doesn't seem to get hurt, and that his game is still very much effective, even at his current age.

Plus, if it helps in bringing calderon, do it.

Remember when we got Karl Malone.....a big factor was that he was never hurt......and then he broke down on the Lakers.
Young guys cannot relate to this but when you approach 40 all kinds of weird things start breaking down on your body, it doesn't matter what your body type is. This is why guys retire. You would be lucky to get 1 great year out of Nash........and remember, he plays no defense.